package lab02.Test36;

import java.lang.reflect.Array;

/**
 * Created by 卡01 on 2017/11/9.
 */
public class Undergraduate extends  Student{
    @Override
    String calGrade() {

        String grade="";
        double avg= calAverrage();

        if(avg>=80&&avg<=100)
            grade="优秀";
        else if(avg>=70&&avg<80)
            grade="良好";
        else if(avg>=60&&avg<70)
            grade="一般";
        else if(avg>=50&&avg<60)
            grade="及格";
        else
            grade="不及格";
        return grade;
    }

}





